81 x 9 = 801. What must you do to make the this equation true?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

What do you get if you add 2 to 100 four times?

By what process could you make a 'Tea-Table' into food?

Can you count the number of blocks in the picture below?

what does the below math rebus puzzle mean?

Imagine you are in a room with no windows or doors. How will you get out?